Lamp



FIG. 1 is a left side perspective view;

FIG. 2 is a top view;

FIG. 3 is a bottom view;

FIG. 4 is a front view;

FIG. 5 is a back view;

FIG. 6 is a right side view; and,

FIG. 7 is a left side view. 

CLAIM The ornamental design for a lamp, as shown and described. 